Week Two Individual Assignments
1. Answer the following questions:
Accuracy of data input is important. What method of data input would be best for each of the following situations and explain why:
a. Printed questionnaires:
Optical Mark Recognizer: this finds out answers marked by users and findsout scores.
b. Telephone survey:
Voice recognizer.
- CATI (Computer Assisted Telephone Interviewing)
- CAPI (Computer Assisted Personal Interviewing)
Speaking to a computer requires speech recognition devices.
c. Bank checks:
Check reader. Magnetic ink recognizer.
d. Retail tags:
Barcode reader.
e. Long documents:
Scanner , OSR(Optical character recognition)
Convenience and quality of output are important. Explain what method of output would be best for each of the following situations and explain why:
a. Hand held computer:
for displaying data. Soft copy.
b. Color photograph
color printer,......
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